First of all, I want to say that this blog contains major spoilers for Mafia III. Go away now, if you don't want to spoil yourself. Please, don't say I didn't warn you.
Well, as we know in the end of Mafia III, Leo Galante appears to Lincoln, and his driver looks... Well.. Interesting. Many people are speculating that his driver is Joe Barbaro. I myself, want to believe that, but I don't really see the similarities myself. Here's a brighten up picture of how the driver looks, so you can see his face clearly. (File Removed)